This has been happening to me more and more lately. I still don't know if it's MSP or my tablet. My new tablet will arrive today so I will see if it continues to be a problem on that one too. I generally change the orientation of the tablem from portrait to landscape and that brings the song back
It's not a big deal when I'm practicing but it's happened frequently enough lately that I wouldn't considering using the set-up in performance.
It's not a big deal when I'm practicing but it's happened frequently enough lately that I wouldn't considering using the set-up in performance.